Valmont Industries, Inc.
FIRE RESISTANT COMPOSITE POLE
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Abstract:
The present invention provides an improved fire resistant composite pole and a method for producing the same. In accordance with preferred embodiments, the composite utility pole of the present invention includes a composite structure having integrally bonded layers of resin impregnated fiberglass extending along the length of the pole. According to a preferred embodiment, the composite structure of the pole includes an intumescent layer which includes: high temperature mineral fibers, exfoliating graphite, organic binders. and alumina trihydrate (ATH).
Status:
Application
Type:
Utility
Filling date:
8 Sep 2020
Issue date:
18 Mar 2021